I have had a small quarter sized lump on my left buttocks, mid cheek that has always been squishy to the touch, and slightly protruding, somewhat noticeable with no clothes on. However it has never bothered me. About a week ago, I sat down rather hard, and felt that area was slightly irritated by it, but I didn't think much of it. Over the last three days, it has become extremely swollen ( tennis ball size under the skin) red, painful to the touch/ any pressure near the area, and more hard to the touch than soft as before. Any help on how to proceed would be greatly appreciated, I am a 34 yr old male, and the only income in a family of 5. I have no insurance....